varia.website/plugins/filetime_from_hg/filetime_from_hg.py

82 lines
2.8 KiB
Python
Executable File

# -*- coding: utf-8 -*-
"""
This plugin is mostly a copy of the filetime_from_git plugin
by Zhang Cheng <StephenPCG@gmail.com> and others.
Copyright (c) David Douard <david.douard@sdfa3.org>
Compute Date and Modified metadata from Mercurial revisions.
"""
import os
from pelican import signals, contents
from pelican.utils import strftime, set_date_tzinfo
from datetime import datetime
import hglib
def datetime_from_timestamp(timestamp, content):
"""
Helper function to add timezone information to datetime,
so that datetime is comparable to other datetime objects in recent versions
that now also have timezone information.
"""
return set_date_tzinfo(
datetime.fromtimestamp(timestamp),
tz_name=content.settings.get('TIMEZONE', None))
def filetime_from_hg(content):
if isinstance(content, contents.Static):
return
if 'date' in content.metadata:
# if user did explicitely set a date, do not overwrite it
return
repo = hglib.open('.')
tz_name = content.settings.get('TIMEZONE', None)
hgtime = content.metadata.get('hgtime', 'yes').lower()
if hgtime in ('no', 'off', 'false', '0'):
return
# 1. file is not managed by hg
# date: fs time
# 2. file is staged, but has no commits
# date: fs time
# 3. file is managed, and clean
# date: first commit time, update: last commit time or None
# 4. file is managed, but dirty
# date: first commit time, update: fs time
path = content.source_path
root = repo.root()
filelog = repo.log(revrange='.:0', files=[path,],
follow=content.settings.get('HG_FILETIME_FOLLOW', False))
if filelog:
# has commited
content.date = set_date_tzinfo(filelog[-1][6], tz_name)
if path in [os.path.join(root, mfile) for flag, mfile in repo.status(modified=True)]:
# file is modified in the wd
content.modified = datetime_from_timestamp(
os.stat(path).st_ctime, content)
else:
# file is not changed
if len(filelog) > 1:
content.modified = set_date_tzinfo(filelog[0][6], tz_name)
else:
# file is not managed by hg
content.date = datetime_from_timestamp(os.stat(path).st_ctime, content)
if not hasattr(content, 'modified'):
content.modified = content.date
content.locale_date = strftime(content.date, content.date_format)
content.locale_modified = strftime(content.modified, content.date_format)
# ensure the metadata directory is synchronized. Might be used by
# some other plugin (eg. series)
content.metadata['modified'] = content.modified
content.metadata['date'] = content.date
def register():
signals.content_object_init.connect(filetime_from_hg)